body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00B7FF;
}

input[type='number']{
	width: 50px;
}
.container{
	margin-left: auto;
	margin-right: auto;
	text-align: center;
}
.warning{
	color: red;
	font-weight: bold;
}
table{
	margin: auto;
	border: 1px solid;
    border-spacing: 10px;
}
